5.2 RECUMBENT
OWNER’S MANUAL
QUESTIONS?
Call Our Toll Free
Keys Fitness Helpline
1-888-340-0482
CAUTION!
Please read the precautions and instructions in this manual before
using this equipment. Please save this manual for future reference.
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Before You Start
Thank you for purchasing a DISCOVERY exercise unit! This quality product you have chosen was
designed to meet your needs for cardiovascular exercise. Prior to assembly, remove components
from the box and verify that all the listed parts were supplied. Assembly instructions are described
in the following steps and illustrations.
Important Safety Information
WARNING!
1) Before using this exercise bicycle or starting any exercise program, consult your physician. This
is especially important for persons over the age of 35 and/or persons with pre-existing health
problems. Keys Fitness Products LP assumes no responsibility for personal injury or property
damage sustained by or through the use of this product.
2) To reduce the risk of electrical shock, burns, fire or other possible injuries to the user, it is impor-
tant to review this manual and the following precautions before operation.
It is the owner's responsibility to ensure that all users of this exercise bike have read the Owner's
Manual and are familiar with warnings and safety precautions.
• This exercise bike has a maximum user capacity of 250 pounds.
• The Discovery exercise unit should only be used on a level surface and is intended for indoor use
only. It should not be placed in a garage, patio or near water. Keys recommends an equipment
mat be placed under the unit to the protect the floor or carpet and for easier cleaning.
• Wear comfortable, good-quality walking or running shoes and appropriate clothing. Do not use this
exercise bike with bare feet, sandals, socks or stockings!
• Always examine your exercise bike before using to ensure all parts are in working order.
• Do not leave children unsupervised near or on the exercise unit.
• Never operate the exercise bicycle where oxygen is being administered or where aerosol products
are being used.
• Never insert any object or body parts into any opening.
• Service to your Discovery unit should only be performed by an authorized service representative,
unless authorized and/or instructed by a Keys technician. Failure to follow these instructions will
void the warranty.
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Assembly of DISCOVERY
5.2 Recumbent
M8X40mm Carriage Bolt(48)-4
M8 Nylon Locknut(60)-4
M8 Cap nut(37)-2
8X19 Arc washer(36)-6
M8x15mm Screw (49)-8
M6x40 Hex Head Screw (50)-8
6X13 Washer(62)-8
8X19 Washer(63)-8
M8X70mm Carriage Bolt(35)-2
Screw Driver
Allen Wrench
Hexa-fube Wrench
3
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4
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1) Loosen the adjustment knob (41) on the front
frame (1). Slide the rear frame backward and
secure with the adjustment knob (41).
Attach the rear stabilizer (3) onto the rear frame
with screws (49) and washers (63).
36
37
Attach the front stabilizer (34) onto the rear frame
with carriage bolts (35), cap nuts (37) and wash-
ers (36).
2) Attach the seat frame (4) onto the rear frame
with carriage bolts (48), nylon lock nuts (60) and
washers (63).
6
3) Attach the seat (5) onto the seat frame (4) with
bolts (50) and washers (62). Attach the back
cushion (6) onto the seat frame (4) with bolts (50)
and washers (62).
5
5
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4) Thread the right pedal (39) onto the right side of
the crank (8) as shown. Tighten the pedal securely.
Select the right pedal strap which has “R” marked
on the bottom side of the strap. Snap the three hole
end onto the inside edge of the right pedal (39).
Snap the other three hole end onto the outside edge
of the right pedal (39). Select adjustment holes
which allow your foot to be easily removed from the
pedals. Repeat with the left pedal and strap.
38
8
1
39
5) Insert the sensor wire (packed with tension con-
troller) from the top of the handlebar post (75).
Connect the sensor wire to the one on the main
frame, and insert the sensor wire up into the handle-
bar post.
Fix the handlebar post (75) onto the main frame (1)
with screws (49) and arc washers (36).
6) Install the tension controller (30).
Step 1: Put the tension controller’s cable end into
the spring hook.
A
B
Step 2: Pull and force the cable into the gap of the
plate.
Step 3: Insert the tension controller into the “A”
hole of handlebar post and attach it with
the screw (65) attathed
58
30
58
30
7) Connect the sensor wire to the computer (33)
and fix it on the top of the handlebar post by the
screws (57) attached.
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DCV 5.2R PARTS LIST
#
1
2
3
4
5
6
7
8
9
PART
QTY
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
6
2
1
1
#
PART
QTY
MAIN FRAME
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
BUSHING OF MAIN FRAME
BLACK KNOB
PULSE
REAR STABILIZER ENDCAP 2
FRONT STABILIZER ENDCAP 2
HANDLEBAR TUBE CAP
SEAT FRAME TUBE CAP
CAP
CARRIAGE SCREW M8*40
SCREW M8*15
HEX HEAD SCREW M6*40
SCREW M8
HEX HEAD SCREW 3/8"*26
HEX HEAD SCREW M8*60
SCREW M3*8
SCREW
SCREW
SCREW M5*10
EXTENSION WIRE
NYLOCK NUT M10
NYLOCK NUT M8
RAIL TUBE CAP
WASHER
WASHER
SCREW 3/8"
SCREW M5*10
BC NUT 3/8"
NYLOCK NUT 3/8"
WASHER
1
1
2
RAIL TUBE
REAR STABILIZER
SEAR FRAME
SEAT
BACK CUSHION
2
4
2
4
8
8
1
1
2
1
4
5
2
1
1
6
1
8
9
1
1
1
1
2
1
2
2
2
2
1
1
1
PULLEY
270
CRANK 1/2" ONE PC
BALL BEARING HOUSING
10 BALL BEARING
11 OUTSIDE BEARING COLLAR
12 INSIDE BEARING COLLAR
13 WASHER
14 CURVE WASHER
15 HEX HEAD SCREW
16 BELT J6*430
17 FLY WHEEL
18 BEARING 6000ZZ
19 AXLE OF FLY WHEEL
20 SPACER OF FLY WHEEL
21 GREASED WHEEL
22 IDLER WHEEL PLATE
23 IDLERWHEEL
24 SPACER OF IDLER WHEEL
25 PULSE WIRE 1
26 PULSE WIRE 2
27 SPRING OF IDLER WHEEL
28 ARC MAGNET PLATE
29 SPRING OF ARC MAGNET
30 TENSION KNOB
WASHER
SCREW M4*16
SCREW M4/8
HANDLEBAR TUBE CAP
FOAM GRIP
COVER (L)
31 SENSORWIRE
32 MAGNET
33 COMPUTER
34 FRONT STABILIZER
35 CARRIAGE SCREW M8*70
36 ARC WASHER
COVER (R)
PULSE 3
37 NUT M8
38 PEDAL (L)
39 PEDAL (R)
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DCV 5.2R EXPLODED VIEW
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Monitoring Your Heart Rate
To obtain the greatest cardiovascular benefits from your exercise workout, it is important to
work within your target heart rate zone. The American Heart Association (AHA) defines this
target as 60%-75% percent of your maximum heart rate.
Your maximum heart rate may be roughly calculated by subtracting your age from 220. Your
maximum heart rate and aerobic capacity naturally decreases as you age. This may vary
from one person to another, but use this number to find your approximate effective target
zone. For example, the maximum heart rate for an average 40 year-old is 180 bpm. The tar-
get heart rate zone is 60%-75% of 180 or 108-135 bpm. See Fitness Safety below.
Before beginning your workout, check your normal resting heart rate. Place your fingers
lightly against your neck, or against your wrist over the main artery. After finding your pulse,
count the number of beats in 10 seconds. Multiply the number of beats by six to determine
your pulse rate per minute. We recommend taking your heart rate at these times; at rest,
after warming up, during your workout and two minutes into your cool down, to accurately
track your progress as it relates to better fitness.
During your first several months of exercising, the AHA recommends aiming for the lower
part of the target heart rate zone-60%, then gradually progressing up to 75%.
According to the AHA, exercising above 75% of your maximum heart rate may be too stren-
uous unless you are in top physical condition. Exercising below 60% of your maximum will
result in minimal cardiovascular conditioning.
Check your pulse recovery rate – If your pulse is over 100 bpm five minutes after you stop
exercising, or if it’s higher than normal the morning after exercising, your exertion may have
been too strenuous for your current fitness level. Rest and reduce the intensity next time.
Fitness Safety
The target heart rate chart indicates average rate zones for different ages. A variety of differ-
ent factors (including medication, emotional state, temperature and other conditions) can
affect the target heart rate zone that is best for you. Your physician or health care profes-
sional can help you determine the exercise intensity that is appropriate for your age and
condition.
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(MHR) = Maximum Heart Rate
(THR) = Target Heart Rate
220 - age = maximum heart rate (MHR).
MHR x .60 = 60% of your maximum heart rate.
MHR x .75 = 75% of your maximum heart rate.
For example, if you are 30 years old, your calculations will be as follows:
220 - 30 = 190
190 x .60 = 114 (low end or 60% of MHR)
190 x .75 = 142 (high end or 75% of MHR)
30 year-old (THR) Target Heart Rate would be 114-142.
See Table for additional calculations.
TARGET HEART RATE ZONE
200
195
100%
190
185
180
175
Serious
170
165
athletic
training range
160
155
85%
170
166
162
157
153
Cardiovascular
149
conditioning
range
145
140
136
132
150
75%
146
143
139
135
131
128
Fat burning
range
124
120
116
60%
120
117
114
111
108
105
102
99
96
93
20
25 30
35
40 45
50
55 60 65
AGE
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KEYS FITNESS PRODUCTS, LP -
LIMITED WARRANTY
PRODUCT:
DISCOVERY 5.2 RECUMBENT
HOME USE WARRANTY: 1 Year Parts
This Limited Warranty applies in the United States and Canada to products manufactured or distributed by Keys
Fitness Products, LP (“Keys”) under the KEYS brand name. The warranty period to the original purchaser is listed above
in the table.
Keys warrants that the Product you have purchased for use from Keys or from an authorized Keys reseller is free
from defects in materials or workmanship under normal use during the warranty period. Your sales receipt, showing the
date of purchase of the Product, is your proof of purchase. This warranty only extends to you, the original purchaser. It is
not transferable to anyone who subsequently purchases the Product from you. It excludes expendable parts (wear items).
Wear items pertain to components that might need to be replaced due to normal wear and tear. These items vary per
product but will include computer overlays, pedal straps, rope cords, seats, grips, chains, bottom bracket assemblies,
pads, upholstery, pulleys, bearings, etc. Please contact a Keys Fitness customer service representative for specifics on
wear items. This Limited Warranty becomes VALID ONLY if the product is purchased through a Keys Fitness authorized
dealer unless otherwise authorized by Keys Fitness in writing.
During the warranty period Keys will repair or replace (at Keys' option) the product if it becomes defective, malfunc-
tions, or otherwise fails to conform with this Limited Warranty under normal use. In repairing the Product, Keys may
replace defective parts, or at the option of Keys, serviceable used parts that are equivalent to new parts in performance.
All exchanged parts and Products replaced under this warranty will become the property of Keys. Keys reserves the
right to change manufacturers of any part to cover any existing warranty.
This warranty DOES NOT COVER shipping charges, export taxes, custom duties and taxes, or any other charges
associated with transportation of the parts or Product.
To obtain warranty service, you must contact a Keys authorized retailer, service technician or Keys Fitness at our
phone numbers located in this manual. Any parts determined to be defective must be returned to Keys to obtain warran-
ty service. You must prepay any shipping charges, export taxes, custom duties and taxes, or any other charges associat-
ed with transportation of the parts or Product. In addition, you are responsible for insuring any parts or Product shipped
or returned. You assume the risk of loss during shipment. You must present Keys with proof-of-purchase documents
(including the date of purchase). Any evidence of alteration, erasing or forgery of proof-of-purchase documents will be
cause to void this Limited Warranty.
This warranty does not extend to any product not purchased from Keys or from an authorized Keys reseller. This
Limited Warranty does not extend to any Product that has been damaged or rendered defective; (a) as a result of acci-
dent, misuse, or abuse; (b) by the use of parts not manufactured or sold by Keys; (c) by modification of the Product or
normal wear and tear; (d) operation on incorrect power supplies; or (e) as a result of service by anyone other than Keys,
or an authorized Keys warranty service provider. Product on which the serial number has been defaced or removed is
not eligible for warranty service. Should any Product submitted for warranty service be found ineligible, an estimate of
repair cost will be furnished and the repair will be made if requested by you upon Keys' receipt of payment or acceptable
arrangements for payment.
EXCEPT AS EXPRESSLY SET FORTH IN THIS WARRANTY, KEYS MAKES NO OTHER WARRANTIES, EXPRESSED
OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. KEYS EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED IN THIS LIMITED WARRANTY. ANY
IMPLIED WARRANTIES THAT MAY BE IMPOSED BY LAW ARE LIMITED TO THE TERMS OF THIS LIMITED WAR-
RANTY. NEITHER KEYS NOR ANY OF ITS AFFILIATES SHALL BE RESPONSIBLE FOR INCIDENTAL OR CONSE-
QUENTIAL DAMAGES. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY
LASTS OR THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE
LIMITATIONS OR EXCLUSION MAY NOT APPLY TO YOU. This Limited Warranty gives you specific legal rights and
you may also have other rights that may vary from state to state. This is the only express warranty applicable to Keys-
branded products. Keys neither assumes nor authorizes anyone to assume for it any other express warranty.
PLEASE SEND IN THE ATTACHED WARRANTY CARD WITHIN TEN (10) DAYS OF PURCHASE TO REGISTER
YOUR UNIT WITH KEYS FITNESS PRODUCTS, LP.
MAIL WARRANTY CARD TO:
KEYS FITNESS PRODUCTS, PO BOX 551239, DALLAS, TX 75355
11
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Keys Fitness Products, L.P.
4009 Distribution Dr.
Suite 250
Garland, Texas 75041
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